Episode 1Twelve contestants begin their 7-day journey. The first match is nothing like what they've expected — it's time to get those brain cells working!
Episode 2
E2
Episode 2The results of the first match have everyone shocked. Someone from the losing team must go to jail. When the next match begins, conflict starts brewing.
Episode 3
E3
Episode 3It's day 2, and people are eager to form deeper alliances. This time, the match will result in the very first elimination. Who will be sent home?
Episode 4
E4
Episode 4The group grows emotional over the result of the first elimination. Meanwhile, a contestant happens upon a secret hidden by the Devil.
Episode 5
E5
Episode 5The ORBIT alliance or a new alliance? While the contestants rethink their loyalties, someone commits an act of betrayal during the main match.
Episode 6
E6
Episode 6A betrayal leads to an unforeseen elimination. Emotions flare among the remaining players, but in this prize match, they must work as a team.
Episode 7
E7
Episode 7It's day 4, and a group commits a fatal mistake. As their allegiances waver, other contestants come closer to unlocking the Devil's secret.
Episode 8
E8
Episode 8The contestants struggle to solve the Devil's secret. During the fifth main match, Lee See-won attempts to face off against ORBIT.
Episode 9
E9
Episode 9The competition takes a new turn due to one player's surprising move. Shortly afterward, the truth surrounding the move is revealed.
Episode 10
E10
Episode 10The secrets of the prison result in a painful night for some. The last main match of the competition commences. Who will move on to the next round?
Episode 11
E11
Episode 11Contestants give it their all in the main match, but only three emerge triumphant. The last prize match begins.
Episode 12
E12
Episode 12The 7-day journey is nearing the end, and it's time for the final match. Who among the remaining two will be crowned winner?
Cast of Season 1
Kim Dong-jaeSelf - Contestant
Suh Dong-jooSelf - Contestant
Lee Hye-sungSelf - Contestant
Kwak Joon-binSelf - Contestant
OrbitSelf - Contestant
Park Kyeong-rimSelf - Contestant
Guillaume PatrySelf - Contestant
Ha Seok-jinSelf - Contestant
SeungkwanSelf - Contestant
Lee Si-wonSelf - Contestant
Cheo Yeon-wooSelf - Contestant
Seo Yoo-minSelf - Contestant
Jeong Jong-yeonDirector
Choi Yoon-heeDirector
Kim Ah-raDirector
Lee Soo-jinDirector
Kim Seo-gooDirector
Lee Won-giDirector
Heo Jung-heeWriter
Jung Da-heeWriter
Kim Jung-eunWriter
Jung Jin-ahWriter
Hwang Seo-jinWriter
Choi Seong-yoonProducer
Season 1 Ratings & Reviews
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